2020808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 3984120

約数和(自身を除く): 1963312

約数列:

[1, 2, 4, 8, 41, 61, 82, 101, 122, 164, 202, 244, 328, 404, 488, 808, 2501, 4141, 5002, 6161, 8282, 10004, 12322, 16564, 20008, 24644, 33128, 49288, 252601, 505202, 1010404, 2020808]

約数ペア:

[(1, 2020808), (2, 1010404), (4, 505202), (8, 252601), (41, 49288), (61, 33128), (82, 24644), (101, 20008), (122, 16564), (164, 12322), (202, 10004), (244, 8282), (328, 6161), (404, 5002), (488, 4141), (808, 2501)]